human waste造句

1、Everything from human waste to industrial waste ends up in our rivers, lakes, and oceans.
从人类粪便到工业废弃物最终都进入了河流，湖泊和海洋。

2、On the other hand, fertilizer from human waste provides nutrients essential to rebuilding soil.
另一方面，人类排泄物的肥料却提供了重建土壤的充足养分。

3、Irrigation is the primary agricultural use of human waste in the developing world.
在发展中国家，灌溉是人类排泄物的主要农业用途。